/* JAI-Ext - OpenSource Java Advanced Image Extensions Library
*    http://www.geo-solutions.it/
*    Copyright 2014 GeoSolutions


* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.eclipse.imagen.media.bandselect;

import java.awt.RenderingHints;
import java.awt.image.RenderedImage;
import java.awt.image.renderable.ParameterBlock;
import org.eclipse.imagen.CRIFImpl;
import org.eclipse.imagen.ImageLayout;
import org.eclipse.imagen.media.opimage.RIFUtil;

/**
 * A <code>CRIF</code> supporting the "BandSelect2" operation in the rendered and renderable image layers.
 *
 * @author Simone Giannecchini, GeoSolutions SAS
 * @since 1.0
 */
public class BandSelectCRIF extends CRIFImpl {

    /** Constructor. */
    public BandSelectCRIF() {
        super("BandSelect2");
    }

    /**
     * Creates a new instance of <code>BandSelectOpImage</code> in the rendered layer.
     *
     * @param args The source image and the constants.
     * @param hints Optionally contains destination image layout.
     */
    public RenderedImage create(ParameterBlock args, RenderingHints renderHints) {
        // Get ImageLayout from renderHints if any.
        ImageLayout layout = RIFUtil.getImageLayoutHint(renderHints);

        return new BandSelectOpImage(
                args.getRenderedSource(0), renderHints, layout, (int[]) args.getObjectParameter(0));
    }
}
